Comparison of the Reaction Characteristics of Different Fuels in the Supercritical Multicomponent Thermal Fluid Generation Process

Qiang Fu, Jie Tian (), Yongfei Liu, Zhilin Qi (), Hongmei Jiao and Shenyao Yang
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Qiang Fu: State Key Laboratory of Natural Gas Hydrates, Beijing 100028, China
Jie Tian: School of Petroleum and Natural Gas Engineering, Chongqing University of Science & Technology, Chongqing 401331, China
Yongfei Liu: State Key Laboratory of Natural Gas Hydrates, Beijing 100028, China
Zhilin Qi: School of Petroleum and Natural Gas Engineering, Chongqing University of Science & Technology, Chongqing 401331, China
Hongmei Jiao: State Key Laboratory of Natural Gas Hydrates, Beijing 100028, China
Shenyao Yang: School of Petroleum and Natural Gas Engineering, Chongqing University of Science & Technology, Chongqing 401331, China

Energies, 2024, vol. 17, issue 21, 1-17

Abstract: Supercritical multicomponent thermal fluid technology is a new technology with obvious advantages in offshore heavy oil recovery. However, there is currently insufficient understanding of the generation characteristics of the supercritical multicomponent thermal fluid, which is not conducive to the promotion and application of this technology. In order to improve the economic benefits and applicability of the supercritical multicomponent thermal fluid thermal recovery technology, this article reports on indoor supercritical multicomponent thermal fluid generation experiments and compares the reaction characteristics of different fuels in the supercritical multicomponent thermal fluid generation process. The research results indicate that the main components of the products obtained from the supercritical water–crude oil/diesel reaction are similar. Compared to the supercritical water–crude oil reaction, the total enthalpy value of the supercritical multicomponent thermal fluid generated by the supercritical water–diesel reaction is higher, and the specific enthalpy is lower. When the thermal efficiency of the boiler is the same, the energy equilibrium concentration of crude oil is lower than that of diesel. The feasibility of using crude oil instead of diesel to prepare supercritical multicomponent thermal fluids is analyzed from three aspects: reaction mechanism, economic benefits, and technical conditions. It is believed that using crude oil instead of diesel to prepare supercritical multicomponent thermal fluids has good feasibility.

Keywords: heavy oil; supercritical multicomponent thermal fluid; thermal recovery (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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